.\"	$OpenBSD: acpiac.4,v 1.7 2014/12/10 07:36:38 jmc Exp $
.\"
.\" Copyright (c) 2006 Dmitri Alenitchev <dma@dma.org.ru>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: December 10 2014 $
.Dt ACPIAC 4
.Os
.Sh NAME
.Nm acpiac
.Nd ACPI AC adapter
.Sh SYNOPSIS
.Cd "acpiac* at acpi?"
.Sh DESCRIPTION
The
.Nm
driver supports ACPI AC Adapters.
Information about AC power source status (connected or disconnected) is
available through this driver as a sensor.
AC power source status is updated
via an event when a change happens,
if the implementation supports it.
The sensors provided by
.Nm
can be monitored using
.Xr sysctl 8
or
.Xr sensorsd 8 .
.Sh SEE ALSO
.Xr acpi 4 ,
.Xr intro 4 ,
.Xr sensorsd 8 ,
.Xr sysctl 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 3.8 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Marco Peereboom Aq Mt marco@openbsd.org .
